The mean RNFL thickness and macular volume were significantly reduced in secondary progressive MS, but not in primary progressive MS when compared with control RNFL thickness and macular volume.

继发性进展性多发性硬化患者平均视网膜神经纤维层的厚度和黄斑面积值亦降低，但与原发性进展性多发性硬化相比不降低。

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Some mean that we need more revenue, and others believe that the system should be more progressive for the sake of fairness.

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